Marcel5751/raspberry-pi-projects
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update md

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This commit is contained in:
Marcel Dechert 2020-12-05 19:54:40 +01:00
parent 531fff4c10
commit 28bce212d1
2 changed files with 11 additions and 4 deletions
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9
raspberry.md
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@ -1,7 +1,7 @@
## connect via SSH ## connect via SSH
# # Useful commands
- see connected usb devices - see connected usb devices
- lsusb - lsusb
- arecord -l - arecord -l
@ -24,3 +24,10 @@ pcm.mic {
pcm "hw:1,0" pcm "hw:1,0"
} }
} }
44200 sampling rate
5 secs
230000 array length

6
src/record_sound.py
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@ -1,15 +1,15 @@
from numpy import* from numpy import*
from scipy.io.wavfile import read from scipy.io.wavfile import read
from scipy.io.wavfile import write from scipy.io.wavfile import write
import matplotlib.pyplot as plt # import matplotlib.pyplot as plt
import scipy import scipy
import sounddevice as sd import sounddevice as sd
import time import time
a = read("/home/jreinking/Projekte/doorbell/raspberry-pi-projects/res/klingel_aufnahme_microphne_cut.wav") # a = read("/home/jreinking/Projekte/doorbell/raspberry-pi-projects/res/klingel_aufnahme_microphne_cut.wav")
# print(a) # print(a)
# print(len(a[1])) # print(len(a[1]))
a = a[1] # a = a[1]
def chunks(lst, n): def chunks(lst, n):
"""Yield successive n-sized chunks from lst.""" """Yield successive n-sized chunks from lst."""